Résumé
The present study was conducted at the Department of Oral and Maxillofacial Surgery of Khyber College of Dentistry, Peshawar, Pakistan. One hundred patients were selected. The patients were referred to this department from various parts of NWFP. A comprehensive history of each patient was taken and thorough clinical examination was carried out. All patients were examined by direct manual palpation of TMJ and muscles of mastication. The clicking sound of joint was also recorded. Basic investigation and specific investigations like radiograph such as orthopanto-gram were taken to exclude dental and other pathological conditions. The diagnosis of Myofacial Pain Dysfunction Syndrome [MPDS] was established by co- relating different factors such as pain, muscle tenderness, and limited jaw movement. Male were more commonly affected, 80 out of 100 were male and 20 were female. Married persons were 70 as compared to unmarried [n=30]. The Para-functional habits like bruxism, day clinching, nail biting were noted in 40 patients. Moreover, students [n=30] between 15-25 years were affected. And married group of the society were most commonly affected; 70%